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iii
Features
Contents
Notices ........................................................................................... vi
Safety information ......................................................................... vii
About this guide ............................................................................ viii
Conventions used in this guide ........................................... viii
Typography .......................................................................... viii
A8S-X specifications summary ....................................................... ix
Chapter 1: Product introduction
1.1 Welcome! ........................................................................... 1-2
1.2 Package contents ............................................................... 1-2
1.3 Special features .................................................................. 1-3
1.3.1 Product Highlights .................................................. 1-3
1.3.2 Unique ASUS features ........................................... 1-4
1.4 Before you proceed ............................................................ 1-5
1.5 Motherboard overview ........................................................ 1-6
1.5.1 Motherboard layout ................................................ 1-6
1.5.2 Placement direction ............................................... 1-7
1.5.3 Screw holes ........................................................... 1-7
1.6 Central Processing Unit (CPU) ........................................... 1-8
1.6.1 Overview ................................................................ 1-8
1.6.2 Installing the CPU .................................................. 1-9
1.7 System memory ............................................................... 1-10
1.7.1 DIMM sockets location ......................................... 1-10
1.7.2 Memory configurations ........................................ 1-10
1.7.3 Installing a DIMM .................................................. 1-11
1.8 Expansion slots ................................................................. 1-11
1.8.1 Standard interrupt assignments ............................ 1-11
1.8.2 IRQ assignments for this motherboard ................ 1-12
1.8.3 PCI slots .............................................................. 1-12
1.8.4 PCI Express x1 slot ............................................. 1-13
1.8.5 PCI Express x16 slot ........................................... 1-13
1.9 Jumpers ............................................................................ 1-14
1.10 Connectors ....................................................................... 1-16
1.10.1 Rear panel connectors ......................................... 1-16
1.10.2 Internal connectors .............................................. 1-17